Accumulated Other Comprehensive Income (Loss) - Changes in AOCI (Detail) - USD ($) $ in Millions	12 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2021	May 31, 2020
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 15,281	$ 12,767	$ 8,055
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	376	728
Reclassifications to net income of previously deferred (gains) losses	(463)	(30)
Total other comprehensive income (loss), net of tax	(87)	698	(324)	$ (324)
Ending balance	14,004	15,281	12,767	8,055
Other comprehensive income, before reclassification, tax benefit (expense)	(34)	(123)
Reclassification from AOCI, current period, tax expense (benefit)	76	20
TOTAL
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	318	(380)	(56)
Other comprehensive income (loss):
Total other comprehensive income (loss), net of tax	(87)	698	(324)
Ending balance	231	318	(380)	$ (56)
FOREIGN CURRENCY TRANSLATION ADJUSTMENT
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(520)	2
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	(91)	(522)
Reclassifications to net income of previously deferred (gains) losses	358	0
Total other comprehensive income (loss), net of tax	267	(522)
Ending balance	(253)	(520)	2
Other comprehensive income, before reclassification, tax benefit (expense)	0	0
Reclassification from AOCI, current period, tax expense (benefit)	(16)	0
CASH FLOW HEDGES
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	779	(435)
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	487	1,222
Reclassifications to net income of previously deferred (gains) losses	(835)	(8)
Total other comprehensive income (loss), net of tax	(348)	1,214
Ending balance	431	779	(435)
Other comprehensive income, before reclassification, tax benefit (expense)	(40)	(114)
Reclassification from AOCI, current period, tax expense (benefit)	97	11
NET INVESTMENT HEDGES
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	115	115
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	0	0
Reclassifications to net income of previously deferred (gains) losses	0	0
Total other comprehensive income (loss), net of tax	0	0
Ending balance	115	115	115
Other comprehensive income, before reclassification, tax benefit (expense)	0	0
Reclassification from AOCI, current period, tax expense (benefit)	0	0
OTHER
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(56)	(62)
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	(20)	28
Reclassifications to net income of previously deferred (gains) losses	14	(22)
Total other comprehensive income (loss), net of tax	(6)	6
Ending balance	(62)	(56)	$ (62)
Other comprehensive income, before reclassification, tax benefit (expense)	6	(9)
Reclassification from AOCI, current period, tax expense (benefit)	$ (5)	$ 9